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java.lang.Objectjava.util.AbstractCollection<E>
java.util.AbstractList
org.jaxen.util.SingletonList
public class SingletonList
A utility class that implements singleton lists
(to avoid dependency on JDK 1.3). Many operations
including add()
and remove()
throw
UnsupportedOperationExceptions.
Field Summary | |
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private java.lang.Object |
element
|
Fields inherited from class java.util.AbstractList |
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modCount |
Constructor Summary | |
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SingletonList(java.lang.Object element)
Creates a new singleton list. |
Method Summary | |
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java.lang.Object |
get(int index)
Returns the single element in the list. |
int |
size()
Returns 1. |
Methods inherited from class java.util.AbstractList |
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add, add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList |
Methods inherited from class java.util.AbstractCollection |
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addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.List |
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addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray |
Field Detail |
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private final java.lang.Object element
Constructor Detail |
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public SingletonList(java.lang.Object element)
element
- the single member of the listMethod Detail |
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public int size()
size
in interface java.util.Collection
size
in interface java.util.List
size
in class java.util.AbstractCollection
public java.lang.Object get(int index)
get
in interface java.util.List
get
in class java.util.AbstractList
java.lang.IndexOutOfBoundsException
- if index is not 0
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